Q. Determine the value of y, if x is −4 .y=x2+6Answer:
Substitute x into function: Substitute the value of x into the function.We have the function y=x2+6 and we need to find the value of y when x is −4.Substitute x=−4 into the function.y=(−4)2+6
Calculate square of −4: Calculate the square of −4.(−4)2=16Now, add 6 to the result.y=16+6
Add numbers to find y: Add the numbers to find the value of y.y=16+6=22
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